1. Department of Anthropology, Emory University, Atlanta, Georgia
2. Center for the Study of Human Health, Emory University, Atlanta, Georgia
3. Department of Obstetrics and Gynecology, Oakland University William Beaumont School of Medicine, Rochester
4. Perinatology Research Branch, Eunice Kennedy Shriver National Institute of Child Health and Development/NIH/DHHS Bethesda, MD and Detroit, Michigan
5. Carman and Ann Adams Department of Pediatrics Wayne State University School of Medicine, Detroit, MI
6. Department of Health Promotion, Education, and Behavior, University of South Carolna, Columbia, South Carolina
7. MRC Lifecourse Epidemiology Unit (University of Southampton), Southampton General Hospital, Southampton, UK
8. Center for Molecular Medicine and Genetics, Wayne State University School of Medicine, Detroit, Michigan